\begin{table}[htbp]\centering
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\caption{Panel A: Monadic Dependent Variables}
\begin{tabular}{l*{2}{ccc}}
\toprule
                    &\multicolumn{3}{c}{(1)}               &\multicolumn{3}{c}{(2)}               \\
                    &\multicolumn{3}{c}{Full Sample}       &\multicolumn{3}{c}{Benchmark Sample}  \\
                    &        mean&          sd&       count&        mean&          sd&       count\\
\midrule
Sexe �tudiant       &       0.608&       0.489&         543&       0.579&       0.494&         323\\
mention\_i1          &       0.786&       0.410&         543&       0.839&       0.368&         323\\
Droits constat�s (cumul�s)&    3675.232&    3469.297&         496&    3870.232&    3308.393&         323\\
\midrule
Observations        &         543&            &            &         323&            &            \\
\bottomrule
\multicolumn{7}{l}{\footnotesize Statistics in (1) are computed on the full sample of data available for each variable,}\\
\multicolumn{7}{l}{\footnotesize while statistics in (2) are computed on the benchmark sample.}\\
\end{tabular}
\end{table}
